The invention relates to a lightweight cylinder head (1) for an internal combustion engine, comprising at least one cast piece (4) that is cast into an external structure (2), the external structure (2) and the cast piece (4) being made of different materials. In order to obtain high resistance to vibration and to temperature variations, at least one cast piece (4) forms a support structure (3) and embodies at least one screw stud (5) for receiving a cylinder head screw.
申请公布号
WO2007137314(A2)
申请公布日期
2007.12.06
申请号
WO2007AT00248
申请日期
2007.05.24
申请人
AVL LIST GMBH;ROITHINGER, ROBERT;LANGMAYR, FRANZ;HOWLETT, MICHAEL
发明人
ROITHINGER, ROBERT;LANGMAYR, FRANZ;HOWLETT, MICHAEL